-\r
-\r
-local register_component = require "core.componentmanager".register_component;\r
-local deregister_component = require "core.componentmanager".deregister_component;\r
-local jid_split = require "util.jid".split;\r
-local jid_bare = require "util.jid".bare;\r
-local st = require "util.stanza";\r
-local log = require "util.logger".init("mod_muc");\r
-local multitable_new = require "util.multitable".new;\r
-\r
-if module:get_host_type() ~= "component" then\r
- error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0);\r
-end\r
-\r
-local muc_domain = module:get_host();\r
-\r
-local muc_name = "MUCMUCMUC!!!";\r
-\r
--- room_name -> room\r
- -- occupant_room_nick -> data\r
- -- affiliation = ...\r
- -- role\r
- -- jid = occupant's real jid\r
-local rooms = multitable_new();\r
-\r
-local jid_nick = multitable_new(); -- real jid -> room's jid -> room nick\r
-\r
--- room_name -> info\r
- -- name - the room's friendly name\r
- -- subject - the room's subject\r
- -- non-anonymous = true|nil\r
- -- persistent = true|nil\r
-local rooms_info = multitable_new();\r
-\r
-local persist_list = datamanager.load(nil, muc_domain, 'room_list') or {};\r
-for room in pairs(persist_list) do\r
- rooms_info:set(room, datamanager.store(room, muc_domain, 'rooms') or nil);\r
-end\r
-\r
-local component;\r
-\r
-function getUsingPath(stanza, path, getText)\r
- local tag = stanza;\r
- for _, name in ipairs(path) do\r
- if type(tag) ~= 'table' then return; end\r
- tag = tag:child_with_name(name);\r
- end\r
- if tag and getText then tag = table.concat(tag); end\r
- return tag;\r
-end\r
-function getTag(stanza, path) return getUsingPath(stanza, path); end\r
-function getText(stanza, path) return getUsingPath(stanza, path, true); end\r
-\r
-function get_disco_info(stanza)\r
- return st.iq({type='result', id=stanza.attr.id, from=muc_domain, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")\r
- :tag("identity", {category='conference', type='text', name=muc_name}):up()\r
- :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply\r
-end\r
-function get_disco_items(stanza)\r
- local reply = st.iq({type='result', id=stanza.attr.id, from=muc_domain, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");\r
- for room in pairs(rooms_info:get()) do\r
- reply:tag("item", {jid=room, name=rooms_info:get(room, "name")}):up();\r
- end\r
- return reply; -- TODO cache disco reply\r
-end\r
-function get_room_disco_info(stanza)\r
- return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")\r
- :tag("identity", {category='conference', type='text', name=rooms_info:get(stanza.attr.to, "name")}):up()\r
- :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply\r
-end\r
-function get_room_disco_items(stanza)\r
- return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");\r
-end -- TODO allow non-private rooms\r
-\r
-function save_room(room)\r
- local persistent = rooms_info:get(room, 'persistent');\r
- if persistent then\r
- datamanager.store(room, muc_domain, 'rooms', rooms_info:get(room));\r
- end\r
- if persistent ~= persist_list[room] then\r
- if not persistent then\r
- datamanager.store(room, muc_domain, 'rooms', nil);\r
- end\r
- persist_list[room] = persistent;\r
- datamanager.store(nil, muc_domain, 'room_list', persist_list);\r
- end\r
-end\r
-\r
-function set_subject(current_nick, room, subject)\r
- -- TODO check nick's authority\r
- if subject == "" then subject = nil; end\r
- rooms_info:set(room, 'subject', subject);\r
- save_room();\r
- broadcast_message(current_nick, room, subject or "", nil);\r
- return true;\r
-end\r
-\r
-function broadcast_presence(type, from, room, code)\r
- local data = rooms:get(room, from);\r
- local stanza = st.presence({type=type, from=from})\r
- :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})\r
- :tag("item", {affiliation=data.affiliation, role=data.role}):up();\r
- if code then\r
- stanza:tag("status", {code=code}):up();\r
- end\r
- local me;\r
- local r = rooms:get(room);\r
- if r then\r
- for occupant, o_data in pairs(r) do\r
- if occupant ~= from then\r
- stanza.attr.to = o_data.jid;\r
- core_route_stanza(component, stanza);\r
- else\r
- me = o_data.jid;\r
- end\r
- end\r
- end\r
- if me then\r
- stanza:tag("status", {code='110'});\r
- stanza.attr.to = me;\r
- core_route_stanza(component, stanza);\r
- end\r
-end\r
-function broadcast_message(from, room, subject, body)\r
- local stanza = st.message({type='groupchat', from=from});\r
- if subject then stanza:tag('subject'):text(subject):up(); end\r
- if body then stanza:tag('body'):text(body):up(); end\r
- local r = rooms:get(room);\r
- if r then\r
- for occupant, o_data in pairs(r) do\r
- stanza.attr.to = o_data.jid;\r
- core_route_stanza(component, stanza);\r
- end\r
- end\r
-end\r
-\r
-function handle_to_occupant(origin, stanza) -- PM, vCards, etc\r
- local from, to = stanza.attr.from, stanza.attr.to;\r
- local room = jid_bare(to);\r
- local current_nick = jid_nick:get(from, room);\r
- local type = stanza.attr.type;\r
- if stanza.name == "presence" then\r
- if type == "error" then -- error, kick em out!\r
- local data = rooms:get(room, to);\r
- data.role = 'none';\r
- broadcast_presence('unavailable', to, room); -- TODO also add <status>This participant is kicked from the room because he sent an error presence: badformed error stanza</status>\r
- rooms:remove(room, to);\r
- jid_nick:remove(from, room);\r
- elseif type == "unavailable" then -- unavailable\r
- if current_nick == to then\r
- local data = rooms:get(room, to);\r
- data.role = 'none';\r
- broadcast_presence('unavailable', to, room);\r
- rooms:remove(room, to);\r
- jid_nick:remove(from, room);\r
- end -- TODO else do nothing?\r
- elseif not type then -- available\r
- if current_nick then\r
- if current_nick == to then -- simple presence\r
- -- TODO broadcast\r
- else -- change nick\r
- if rooms:get(room, to) then\r
- origin.send(st.error_reply(stanza, "cancel", "conflict"));\r
- else\r
- local data = rooms:get(room, current_nick);\r
- broadcast_presence('unavailable', current_nick, room, '303');\r
- rooms:remove(room, current_nick);\r
- rooms:set(room, to, data);\r
- jid_nick:set(from, room, to);\r
- broadcast_presence(nil, to, room);\r
- end\r
- end\r
- else -- enter room\r
- if rooms:get(room, to) then\r
- origin.send(st.error_reply(stanza, "cancel", "conflict"));\r
- else\r
- local data;\r
- if not rooms:get(room) and not rooms_info:get(room) then -- new room\r
- data = {affiliation='owner', role='moderator', jid=from};\r
- end\r
- if not data then -- new occupant\r
- data = {affiliation='none', role='participant', jid=from};\r
- end\r
- rooms:set(room, to, data);\r
- jid_nick:set(from, room, to);\r
- local r = rooms:get(room);\r
- if r then\r
- for occupant, o_data in pairs(r) do\r
- if occupant ~= from then\r
- local pres = st.presence({to=from, from=occupant})\r
- :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})\r
- :tag("item", {affiliation=o_data.affiliation, role=o_data.role}):up();\r
- core_route_stanza(component, pres);\r
- end\r
- end\r
- end\r
- broadcast_presence(nil, to, room);\r
- -- TODO send discussion history\r
- if rooms_info:get(room, 'subject') then\r
- core_route_stanza(component, st.message({type='groupchat', from=room, to=from}):tag("subject"):text(rooms_info:get(room, 'subject')));\r
- end\r
- end\r
- end\r
- elseif type ~= 'result' then -- bad type\r
- origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error?\r
- end\r
- elseif stanza.name == "message" and type == "groupchat" then\r
- -- groupchat messages not allowed in PM\r
- origin.send(st.error_reply(stanza, "modify", "bad-request"));\r
- else\r
- origin.send(st.error_reply(stanza, "cancel", "not-implemented", "Private stanzas not implemented")); -- TODO route private stanza\r
- end\r
-end\r
-\r
-function handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc\r
- local type = stanza.attr.type;\r
- if stanza.name == "iq" and type == "get" then -- disco requests\r
- local xmlns = stanza.tags[1].attr.xmlns;\r
- if xmlns == "http://jabber.org/protocol/disco#info" then\r
- origin.send(get_room_disco_info(stanza));\r
- elseif xmlns == "http://jabber.org/protocol/disco#items" then\r
- origin.send(get_room_disco_items(stanza));\r
- else\r
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));\r
- end\r
- elseif stanza.name == "message" and type == "groupchat" then\r
- local from, to = stanza.attr.from, stanza.attr.to;\r
- local room = jid_bare(to);\r
- local current_nick = jid_nick:get(from, room);\r
- if not current_nick then -- not in room\r
- origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));\r
- else\r
- local subject = getText(stanza, {"subject"});\r
- if subject then\r
- set_subject(current_nick, room, subject);\r
- else\r
- broadcast_message(current_nick, room, nil, getText(stanza, {"body"}));\r
- -- TODO add to discussion history\r
- end\r
- end\r
- else\r
- if type == "error" or type == "result" then return; end\r
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));\r
- end\r
-end\r
-\r
-function handle_to_domain(origin, stanza)\r
- local type = stanza.attr.type;\r
- if type == "error" or type == "result" then return; end\r
- if stanza.name == "iq" and type == "get" then\r
- local xmlns = stanza.tags[1].attr.xmlns;\r
- if xmlns == "http://jabber.org/protocol/disco#info" then\r
- origin.send(get_disco_info(stanza));\r
- elseif xmlns == "http://jabber.org/protocol/disco#items" then\r
- origin.send(get_disco_items(stanza));\r
- else\r
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc\r
- end\r
- else\r
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it"));\r
- end\r
-end\r
-\r
-function handle_stanza(origin, stanza)\r
- local to_node, to_host, to_resource = jid_split(stanza.attr.to);\r
- if stanza.name == "presence" and stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" then\r
- if type == "error" or type == "result" then return; end\r
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- FIXME what's appropriate?\r
- elseif to_resource and not to_node then\r
- if type == "error" or type == "result" then return; end\r
- origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- host/resource\r
- elseif to_resource then\r
- handle_to_occupant(origin, stanza);\r
- elseif to_node then\r
- handle_to_room(origin, stanza)\r
- else -- to the main muc domain\r
- if type == "error" or type == "result" then return; end\r
- handle_to_domain(origin, stanza);\r
- end\r
-end\r
-\r
-module.load_component = function()\r
- return handle_stanza; -- Return the function that we want to handle incoming stanzas\r
-end\r
-\r
-module.unload = function()\r
- deregister_component(muc_domain);\r
-end\r
-module.save = function()\r
- return {rooms = rooms.data; jid_nick = jid_nick.data; rooms_info = rooms_info.data; persist_list = persist_list};\r
-end\r
-module.restore = function(data)\r
- rooms.data, jid_nick.data, rooms_info.data, persist_list =\r
- data.rooms or {}, data.jid_nick or {}, data.rooms_info or {}, data.persist_list or {};\r
-end\r
+
+
+local register_component = require "core.componentmanager".register_component;
+local deregister_component = require "core.componentmanager".deregister_component;
+local jid_split = require "util.jid".split;
+local jid_bare = require "util.jid".bare;
+local st = require "util.stanza";
+local log = require "util.logger".init("mod_muc");
+local multitable_new = require "util.multitable".new;
+local t_insert, t_remove = table.insert, table.remove;
+
+if module:get_host_type() ~= "component" then
+ error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0);
+end
+
+local muc_domain = module:get_host();
+local muc_name = "MUCMUCMUC!!!";
+local history_length = 20;
+
+-- room_name -> room
+ -- occupant_room_nick -> data
+ -- affiliation = ...
+ -- role
+ -- jid = occupant's real jid
+local rooms = multitable_new();
+
+local jid_nick = multitable_new(); -- real jid -> room's jid -> room nick
+
+-- room_name -> info
+ -- name - the room's friendly name
+ -- subject - the room's subject
+ -- non-anonymous = true|nil
+ -- persistent = true|nil
+ -- history = {preserialized stanzas}
+local rooms_info = multitable_new();
+
+local persist_list = datamanager.load(nil, muc_domain, 'room_list') or {};
+for room in pairs(persist_list) do
+ rooms_info:set(room, datamanager.store(room, muc_domain, 'rooms') or nil);
+end
+
+local component;
+
+function filter_xmlns_from_array(array, filters)
+ local count = 0;
+ for i=#array,1,-1 do
+ local attr = array[i].attr;
+ if filters[attr and attr.xmlns] then
+ t_remove(array, i);
+ count = count + 1;
+ end
+ end
+ return count;
+end
+function filter_xmlns_from_stanza(stanza, filters)
+ if filters then
+ if filter_xmlns_from_array(stanza.tags, filters) ~= 0 then
+ return stanza, filter_xmlns_from_array(stanza, filters);
+ end
+ end
+ return stanza, 0;
+end
+local presence_filters = {["http://jabber.org/protocol/muc"]=true;["http://jabber.org/protocol/muc#user"]=true};
+function get_filtered_presence(stanza)
+ return filter_xmlns_from_stanza(st.deserialize(st.preserialize(stanza)), presence_filters);
+end
+function getUsingPath(stanza, path, getText)
+ local tag = stanza;
+ for _, name in ipairs(path) do
+ if type(tag) ~= 'table' then return; end
+ tag = tag:child_with_name(name);
+ end
+ if tag and getText then tag = table.concat(tag); end
+ return tag;
+end
+function getTag(stanza, path) return getUsingPath(stanza, path); end
+function getText(stanza, path) return getUsingPath(stanza, path, true); end
+
+function get_disco_info(stanza)
+ return st.iq({type='result', id=stanza.attr.id, from=muc_domain, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
+ :tag("identity", {category='conference', type='text', name=muc_name}):up()
+ :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
+end
+function get_disco_items(stanza)
+ local reply = st.iq({type='result', id=stanza.attr.id, from=muc_domain, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
+ for room in pairs(rooms_info:get()) do
+ reply:tag("item", {jid=room, name=rooms_info:get(room, "name")}):up();
+ end
+ return reply; -- TODO cache disco reply
+end
+function get_room_disco_info(stanza)
+ return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
+ :tag("identity", {category='conference', type='text', name=rooms_info:get(stanza.attr.to, "name")}):up()
+ :tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
+end
+function get_room_disco_items(stanza)
+ return st.iq({type='result', id=stanza.attr.id, from=stanza.attr.to, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
+end -- TODO allow non-private rooms
+
+function save_room(room)
+ local persistent = rooms_info:get(room, 'persistent');
+ if persistent then
+ datamanager.store(room, muc_domain, 'rooms', rooms_info:get(room));
+ end
+ if persistent ~= persist_list[room] then
+ if not persistent then
+ datamanager.store(room, muc_domain, 'rooms', nil);
+ end
+ persist_list[room] = persistent;
+ datamanager.store(nil, muc_domain, 'room_list', persist_list);
+ end
+end
+
+function set_subject(current_nick, room, subject)
+ -- TODO check nick's authority
+ if subject == "" then subject = nil; end
+ rooms_info:set(room, 'subject', subject);
+ save_room();
+ local msg = st.message({type='groupchat', from=from})
+ :tag('subject'):text(subject):up();
+ broadcast_message_stanza(room, msg, false);
+ --broadcast_message(current_nick, room, subject or "", nil);
+ return true;
+end
+
+function broadcast_presence(type, from, room, code, newnick)
+ local data = rooms:get(room, from);
+ local stanza = st.presence({type=type, from=from})
+ :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag("item", {affiliation=data.affiliation, role=data.role, nick = newnick}):up();
+ if code then
+ stanza:tag("status", {code=code}):up();
+ end
+ local me;
+ local r = rooms:get(room);
+ if r then
+ for occupant, o_data in pairs(r) do
+ if occupant ~= from then
+ stanza.attr.to = o_data.jid;
+ core_route_stanza(component, stanza);
+ else
+ me = o_data.jid;
+ end
+ end
+ end
+ if me then
+ stanza:tag("status", {code='110'});
+ stanza.attr.to = me;
+ core_route_stanza(component, stanza);
+ end
+end
+function broadcast_message(from, room, subject, body)
+ local stanza = st.message({type='groupchat', from=from});
+ if subject then stanza:tag('subject'):text(subject):up(); end
+ if body then stanza:tag('body'):text(body):up(); end
+ local r = rooms:get(room);
+ if r then
+ for occupant, o_data in pairs(r) do
+ stanza.attr.to = o_data.jid;
+ core_route_stanza(component, stanza);
+ end
+ if not subject and body then -- add to history
+ local history = rooms_info:get(room, 'history');
+ if not history then history = {}; rooms_info:set(room, 'history', history); end
+ -- stanza = st.deserialize(st.preserialize(stanza));
+ stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203
+ stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated)
+ t_insert(history, st.preserialize(stanza));
+ while #history > history_length do t_remove(history, 1) end
+ end
+ end
+end
+function broadcast_message_stanza(room, stanza, historic)
+ local r = rooms:get(room);
+ if r then
+ for occupant, o_data in pairs(r) do
+ for jid in pairs(o_data.sessions) do
+ stanza.attr.to = jid;
+ core_route_stanza(component, stanza);
+ end
+ end
+ if historic then -- add to history
+ local history = rooms_info:get(room, 'history');
+ if not history then history = {}; rooms_info:set(room, 'history', history); end
+ -- stanza = st.deserialize(st.preserialize(stanza));
+ stanza:tag("delay", {xmlns = "urn:xmpp:delay", from = muc_domain, stamp = datetime.datetime()}):up(); -- XEP-0203
+ stanza:tag("x", {xmlns = "jabber:x:delay", from = muc_domain, stamp = datetime.legacy()}):up(); -- XEP-0091 (deprecated)
+ t_insert(history, st.preserialize(stanza));
+ while #history > history_length do t_remove(history, 1) end
+ end
+ end
+end
+function broadcast_presence_stanza(room, stanza, code, nick)
+ stanza = get_filtered_presence(stanza);
+ local data = rooms:get(room, stanza.attr.from);
+ stanza:tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag("item", {affiliation=data.affiliation, role=data.role, nick=nick}):up();
+ if code then
+ stanza:tag("status", {code=code}):up();
+ end
+ local me;
+ local r = rooms:get(room);
+ if r then
+ for occupant, o_data in pairs(r) do
+ if occupant ~= stanza.attr.from then
+ for jid in pairs(o_data.sessions) do
+ stanza.attr.to = jid;
+ core_route_stanza(component, stanza);
+ end
+ else
+ me = o_data;
+ end
+ end
+ end
+ if me then
+ stanza:tag("status", {code='110'});
+ for jid in pairs(me.sessions) do
+ stanza.attr.to = jid;
+ core_route_stanza(component, stanza);
+ end
+ end
+end
+
+function handle_to_occupant(origin, stanza) -- PM, vCards, etc
+ local from, to = stanza.attr.from, stanza.attr.to;
+ local room = jid_bare(to);
+ local current_nick = jid_nick:get(from, room);
+ local type = stanza.attr.type;
+ if stanza.name == "presence" then
+ local pr = get_filtered_presence(stanza);
+ pr.attr.from = to;
+ if type == "error" then -- error, kick em out!
+ if current_nick then
+ local data = rooms:get(room, to);
+ data.role = 'none';
+ local pr = st.presence({type='unavailable', from=current_nick}):tag('status'):text('This participant is kicked from the room because he sent an error presence'):up()
+ :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag("item", {affiliation=data.affiliation, role=data.role}):up();
+ broadcast_presence_stanza(room, pr);
+ --broadcast_presence('unavailable', to, room); -- TODO also add <status>This participant is kicked from the room because he sent an error presence: badformed error stanza</status>
+ rooms:remove(room, to);
+ jid_nick:remove(from, room);
+ end
+ elseif type == "unavailable" then -- unavailable
+ if current_nick then
+ local data = rooms:get(room, to);
+ data.role = 'none';
+ broadcast_presence_stanza(room, pr);
+ --broadcast_presence('unavailable', to, room);
+ rooms:remove(room, to);
+ jid_nick:remove(from, room);
+ end
+ elseif not type then -- available
+ if current_nick then
+ if current_nick == to then -- simple presence
+ broadcast_presence_stanza(room, pr);
+ -- FIXME check if something was filtered. if it was, then user may be rejoining
+ else -- change nick
+ if rooms:get(room, to) then
+ origin.send(st.error_reply(stanza, "cancel", "conflict"));
+ else
+ local data = rooms:get(room, current_nick);
+ local to_nick = select(3, jid_split(to));
+ if to_nick then
+ local p = st.presence({type='unavailable', from=current_nick});
+ --[[:tag('x', {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag('item', {affiliation=data.affiliation, role=data.role, nick=to_nick}):up()
+ :tag('status', {code='303'});]]
+ broadcast_presence_stanza(room, p, '303', to_nick);
+ --broadcast_presence('unavailable', current_nick, room, '303', to_nick);
+ rooms:remove(room, current_nick);
+ rooms:set(room, to, data);
+ jid_nick:set(from, room, to);
+ broadcast_presence_stanza(room, pr);
+ --broadcast_presence(nil, to, room, nil);
+ else
+ --TODO malformed-jid
+ end
+ end
+ end
+ else -- enter room
+ local new_nick = to;
+ if rooms:get(room, to) then
+ new_nick = nil;
+ end
+ if not new_nick then
+ origin.send(st.error_reply(stanza, "cancel", "conflict"));
+ else
+ local data;
+ if not rooms:get(room) and not rooms_info:get(room) then -- new room
+ data = {affiliation='owner', role='moderator', jid=from, sessions={[from]=get_filtered_presence(stanza)}};
+ end
+ if not data then -- new occupant
+ data = {affiliation='none', role='participant', jid=from, sessions={[from]=get_filtered_presence(stanza)}};
+ end
+ rooms:set(room, to, data);
+ jid_nick:set(from, room, to);
+ local r = rooms:get(room);
+ if r then
+ for occupant, o_data in pairs(r) do
+ if occupant ~= to then
+ local pres = get_filtered_presence(o_data.sessions[o_data.jid]);
+ pres.attr.to, pres.attr.from = from, occupant;
+ pres
+ --local pres = st.presence({to=from, from=occupant})
+ :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag("item", {affiliation=o_data.affiliation, role=o_data.role}):up();
+ core_route_stanza(component, pres);
+ end
+ end
+ end
+ broadcast_presence_stanza(room, pr);
+ --broadcast_presence(nil, to, room);
+ local history = rooms_info:get(room, 'history'); -- send discussion history
+ if history then
+ for _, msg in ipairs(history) do
+ msg = st.deserialize(msg);
+ msg.attr.to=from;
+ core_route_stanza(component, msg);
+ end
+ end
+ if rooms_info:get(room, 'subject') then
+ core_route_stanza(component, st.message({type='groupchat', from=room, to=from}):tag("subject"):text(rooms_info:get(room, 'subject')));
+ end
+ end
+ end
+ elseif type ~= 'result' then -- bad type
+ origin.send(st.error_reply(stanza, "modify", "bad-request")); -- FIXME correct error?
+ end
+ elseif not current_nick then -- not in room
+ origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
+ elseif stanza.name == "message" and type == "groupchat" then -- groupchat messages not allowed in PM
+ origin.send(st.error_reply(stanza, "modify", "bad-request"));
+ elseif stanza.name == "message" and type == "error" then
+ if current_nick then
+ local data = rooms:get(room, to);
+ data.role = 'none';
+ local pr = st.presence({type='unavailable', from=current_nick}):tag('status'):text('This participant is kicked from the room because he sent an error message to another occupant'):up()
+ :tag("x", {xmlns='http://jabber.org/protocol/muc#user'})
+ :tag("item", {affiliation=data.affiliation, role=data.role}):up();
+ broadcast_presence_stanza(room, pr);
+ rooms:remove(room, to);
+ jid_nick:remove(from, room);
+ end
+ else -- private stanza
+ local o_data = rooms:get(room, to);
+ if o_data then
+ local jid = o_data.jid;
+ if stanza.name=='iq' and type=='get' and stanza.tags[1].attr.xmlns == 'vcard-temp' then jid = jid_bare(jid); end
+ stanza.attr.to, stanza.attr.from = jid, current_nick;
+ core_route_stanza(component, stanza);
+ else -- recipient not in room
+ origin.send(st.error_reply(stanza, "cancel", "item-not-found", "Recipient not in room"));
+ end
+ end
+end
+
+function handle_to_room(origin, stanza) -- presence changes and groupchat messages, along with disco/etc
+ local type = stanza.attr.type;
+ if stanza.name == "iq" and type == "get" then -- disco requests
+ local xmlns = stanza.tags[1].attr.xmlns;
+ if xmlns == "http://jabber.org/protocol/disco#info" then
+ origin.send(get_room_disco_info(stanza));
+ elseif xmlns == "http://jabber.org/protocol/disco#items" then
+ origin.send(get_room_disco_items(stanza));
+ else
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
+ end
+ elseif stanza.name == "message" and type == "groupchat" then
+ local from, to = stanza.attr.from, stanza.attr.to;
+ local room = jid_bare(to);
+ local current_nick = jid_nick:get(from, room);
+ if not current_nick then -- not in room
+ origin.send(st.error_reply(stanza, "cancel", "not-acceptable"));
+ else
+ local from = stanza.attr.from;
+ stanza.attr.from = current_nick;
+ local subject = getText(stanza, {"subject"});
+ if subject then
+ set_subject(current_nick, room, subject); -- TODO use broadcast_message_stanza
+ else
+ --broadcast_message(current_nick, room, nil, getText(stanza, {"body"}));
+ broadcast_message_stanza(room, stanza, true);
+ end
+ end
+ elseif stanza.name == "presence" then -- hack - some buggy clients send presence updates to the room rather than their nick
+ local to = stanza.attr.to;
+ local current_nick = jid_nick:get(stanza.attr.from, to);
+ if current_nick then
+ stanza.attr.to = current_nick;
+ handle_to_occupant(origin, stanza);
+ stanza.attr.to = to;
+ else
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
+ end
+ else
+ if type == "error" or type == "result" then return; end
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
+ end
+end
+
+function handle_to_domain(origin, stanza)
+ local type = stanza.attr.type;
+ if type == "error" or type == "result" then return; end
+ if stanza.name == "iq" and type == "get" then
+ local xmlns = stanza.tags[1].attr.xmlns;
+ if xmlns == "http://jabber.org/protocol/disco#info" then
+ origin.send(get_disco_info(stanza));
+ elseif xmlns == "http://jabber.org/protocol/disco#items" then
+ origin.send(get_disco_items(stanza));
+ else
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc
+ end
+ else
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it"));
+ end
+end
+
+register_component(muc_domain, function(origin, stanza)
+ local to_node, to_host, to_resource = jid_split(stanza.attr.to);
+ if to_resource and not to_node then
+ if type == "error" or type == "result" then return; end
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- host/resource
+ elseif to_resource then
+ handle_to_occupant(origin, stanza);
+ elseif to_node then
+ handle_to_room(origin, stanza)
+ else -- to the main muc domain
+ if type == "error" or type == "result" then return; end
+ handle_to_domain(origin, stanza);
+ end
+end);
+
+module.unload = function()
+ deregister_component(muc_domain);
+end
+module.save = function()
+ return {rooms = rooms.data; jid_nick = jid_nick.data; rooms_info = rooms_info.data; persist_list = persist_list};
+end
+module.restore = function(data)
+ rooms.data, jid_nick.data, rooms_info.data, persist_list =
+ data.rooms or {}, data.jid_nick or {}, data.rooms_info or {}, data.persist_list or {};
+end